Sectional electrode.



A. M. WILLIAMSON.

SECTIONAL ELEGTRODE. APPLIGATIONULBDMARA,19:'

Patenmd 0015. 8, 1912.

'sliown, o four pieces each 4X4 inolies, or 5X5 .inoli in cross-section, these pieces being clnnwecl or pinned together, machined to the ci' lrecl size, and threaded if desired.

The terni carbon isemployed in the specicntion. and cleinisto' include baked carbon and also grapliitizecl carbon o1' graphite. flbviously, the structural form oi 'tlie parts may be Widely wiriecl Without ne armure from the spirit of the invention.

I lf elaine:

lf. :in n sectional electrode, e plurality oiY graphite Sections with an inierposed joining member also of graphitey said joining member of finer grain than the said sections.

B. ln e, sectional electrode, n plurality of carbon sections with nn interoosecl joining moniker also of carbon, said oininp) member 4 of greziter specific tensile strength than the said sections.

3. ln n sectional electr ircleny plurality out' "son sections with an interjviosecll joining .il o greater specific electrical conducj/ :intl tensile strength than the material rire said sections.

mer also of carbon. said joining member il. ln a sectional electrode, a plurality of ,carbon sections with an interposed joining member also of carbon, said joining member i of finer grain and having a greater specific 30 electrical conductivity and tensile 'strength than thematerial of the Suid sections.

5. ln n sectional electrode, a plurality of` carbon sections with an interposed joining member also ,of carbon; said joining mem- 35 loer consisting of a plurality of pieces how ing n greater speeiic tensile Strength than the seicl sections. I

6. ln va sectional electrode, a plurality of carbon sections With an interposed jfining 40 I ARTHUR M. VllLLlAMSUN.

l/Vitnesse's: A

WVM. Aoi-ineen SMITH, RMN C. SPEIDN. 

